Feibdeioh gustav baethel



(No Model.)

P. G. EARTH-EL. SELF ACTING MOTOR AND PUMP.

No. 378,998. Patented Mar. 6, 1888.

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FRIEDRICH GUSTAV ARTHELQOF ninnnnro rntrz, NEAR nnnsnnn, ASSIGNOR TO PAUL ALEXANDER KUHNE, or DRESDEN, SAXONY,

GERMANY.

SELF-ACTlNG MOTOR AND PUMP.

SPECIFICATION forming part of Letters Patent No. 378,998, dated March 6, 1888.

Application filed July 19, 1887. Serial No. 244,776. (No model.)

ToaZZ whom it may concern:

Be it known that I, FRIEDRIOH.GUSTAV BARTHEL, chemist, of Niederpoyritz, near Dresden, a citizen of Germany, residing at Neiderpoyritz, near Dresden, in the Kingdom of Saxony, have invented certain new'and usefnl"lmprovements in Self-Acting Apparatus and Motor for Sucking and Forcing \Vater and for AnalogousUses; and I do hereby declare the following to be a full, clear, and exact description of the invention, such as will enable others skilled in the art to which it appertains to make and use the same.

The object of myinvention is to manufacture an improved form and description of hot-air pumping and motivepower engine.

A In order that my invention may be particularly described and ascertained, reference is hereby made to the accompanying drawings, in which similar letters of reference indicate corresponding parts.

Figure 1 is a sectional elevation, and Fig. 2 a plan, showing one method of carrying out my invention.

The apparatus consists, principally, of acylinder, a, closed at one end, while its other end communicates, by means of the pipe r, with the reservoir b. The cylinder a carries an inner cylinder, 0, which is made thoroughly airtight and is free to slide in the cylinder a, and which, according to the position of the apparatus, approximately fills up either the one or the other halt of the cylinder a, whereby the air contained in the cylinder a is driven from end to end of the cylinder. One end of the cylinder a is inclosed in a water-jacket, 7;, whereby it is maintained at a low temperature. The other end of the cylinder at is heated by a lamp, h, or other source of heat, placed upon the plate 12. The apparatus is sustained by means of trunnions n a, resting upon the two frames 8 8, upon which it is balanced. The weight gis made adjustable in order to balance the opposite end of the apparatus.

When the apparatus is used for the purpose of pumping, the two pipes d and eserve, re-

spectively, for the entrance or supply of water to and the outflow of the same from the reservoir. The inlet-pipe d is provided with a valve, 1), which opens inward to admit water to the reservoir,while the outlet-pipe e is provided with a valve, 0 which allows the water to flow out of the reservoir 1) and prevents it from returning to the same. The pipe w conveys fresh water to the jacket 70, and the pipe 6 carries the water flowing from the reservoir 1) to any suitable receptacle. These pipes are provided with indiarubber junction-tubes.

The position of the apparatus, as shown in the drawings, is that which it assumes when the source of heat is removed.

The apparatus operates in the following manner: It is set in motion by placing a gas, petroleum, or spirit lamp, l1, uponthe platet and underthe heat-jacketf. This heat-jacket is open at the bottom to allow the entrance of hot gases, and is provided with slots 0 at the top to permit the escape of the products of combustion. The hot gases heat the righthand end of the cylinder to, whereby the air contained therein is expanded, and thereby forced past 0 toward the cool end, and through the pipe r to the reservoir 1) below the elastic diaphragm :0, fitted air-tight within the latter, and consisting of expanding material, such as india-rubber, the diaphragm being consequently raised by the pressure. The water contained in the upper part of the reservoir 1) is forced through the outlet-pipe e and conveyed for use to a fountain or any other suitable receptacle. This operation renders the whole of the left-hand part of the apparatus in Fig. 1 in the reservoir 1), in consequence whereof some of the water is drawn from the jacket it into the reservoir 1). The left-hand side of the apparatus, being now weighted,

sinks, and bysinking raises the counter-weight 9, thus causing the cylinder 0 to return to the left-hand end of the cylindera and to transfer the cold air into the right-hand end thereof. Here the air is reheated and again forces the water out of the reservoir 1) into the fountain or other receptacle. The left-hand end becoming again lighter in weight, the weight 9 falls and the former operation is repeated. In this manner the apparatus operates automatically and noisclessly from thirty to forty times per minute, according to its construction.

The diaphragm 00, consisting of india-rubber or other expansible material, is fitted air-tight in the reservoir 1), upon which the pressure of air operates and forces the water through the outlet-pipe c and prevents the passage of air through the outlet-pipe and consequent interruptions that would thereby arise in the outfall of water. The cylinder a may be coated on exposed parts with asbestos or other nonconducting material to prevent loss of heat.

\Vhat I claim as new, and desire to secure by Letters Patent, is

1. The combination of a pivoted cylinder and a smaller cylinder movable inside of it, with a heating device acting on one end of the former cylinder, a water-jacket surrounding the other end of said cylinder, a reservoir provided with a flexible diaphragm, a pipe extending from the space on one side of said diaphragm to said water-jacket, and a pipe extending from the space on the otherside of said diaphragm to the interior of the cylinder at the end surrounded by said water-jacket, 5 for the purposes set forth.

2. The cylinder a, provided with trunuions, in combination with the supporting-frame in which they are mounted, the springsff at each end of said cylinder, the smaller cylinder, 0, sliding within cylinder A and against said springs, the reservoir B, the waterjacket K, surrounding one end of cylinder A and sup plied by said reservoir, and the pipe 1, conducting air from the interior of said cylinder to said reservoir, for the purpose set forth.

3. The cylinder A and the cylinder 0, sliding therein, in combination with a waterjaeket surrounding one end of the former cylinder, a heat-jacket covering the other end thereof, a heating device arranged under said jacket, a reservoir for supplying said waterjaeket and mounted on the same end of said cylinder, and a counterbalance-weight carried by the other end of said cylinder, substantially as set forth.

In testimony whereof I affix my siguatu re in presence of two witnesses.

FRIEDRICH GUS'JAY llAlt'lllEL.

XVitnesses:

HERMANN KLAUDEN, PAUL DRUOKMULLER. 

